Also called vertical stabilizer. Aeronautics. any of certain small, subsidiary structures on an aircraft, designed to increase directional stability.
any of a number of standing ridges on an ordinarily hot object, as a radiator, a cylinder of an internal-combustion engine, etc., intended to maximize heat transfer to the surrounding air by exposing a large surface area.
any part, as of a mechanism, resembling a fin.
Metallurgy. a ridge of metal squeezed through the opening between two rolls, dies, or halves of a mold in which a piece is being formed under pressure.
Sit down and cross your leg, with your finned foot over your knee.
Today there's no doubt that lobe-finned fish are the closest living relatives to tetrapods.
The human species does fulfill that definition, but only one wild animal species is known to do so: the short-finned pilot whale.
Material selection for the finned tubes is also a critical factor.
Full scale ring manifolds were constructed of finned tubes to develop cost effective, modular manufacturing methods.
The indirect precooler is comprised of a standard finned-tube heat exchanger connected with piping to a cooling tower.
British Dictionary definitions for finned
having one or more fins or finlike parts
any of the firm appendages that are the organs of locomotion and balance in fishes and some other aquatic animals. Most fishes have paired and unpaired fins, the former corresponding to the limbs of higher vertebrates
a part or appendage that resembles a fin
(Brit) a vertical surface to which the rudder is attached, usually placed at the rear of an aeroplane to give stability about the vertical axis US name vertical stabilizer
a tail surface fixed to a rocket or missile to give stability
(nautical) a fixed or adjustable blade projecting under water from the hull of a vessel to give it stability or control
a projecting rib to dissipate heat from the surface of an engine cylinder, motor casing, or radiator
O.E. fin, from P.Gmc. *finno (cf. M.L.G. vinne, Du. vin), perhaps from L. pinna "feather, wing," or, less likely, from L. spina "thorn, spine" (see spike (n.1)). U.S. underworld slang sense of "$5 bill" is 1925, from Yiddish finif "five," from Ger. fünf. The same word had been used in England 1868 to mean "five pound note" (earlier finnip, 1839).